Modificação nos modos, correção de textos cortados

lib/features/dashboard/presentation/pages/teacher_dashboard_page.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
 import '../../../../core/services/auth_service.dart';
+import '../../../../core/theme/app_theme_extension.dart';
 import '../widgets/teacher_hero_widget.dart';
 import '../widgets/teacher_quick_actions_widget.dart';
 import '../widgets/teacher_classes_list_widget.dart';
@@ -79,19 +80,17 @@ class _TeacherDashboardPageState extends State<TeacherDashboardPage> {
 
   @override
   Widget build(BuildContext context) {
+    final themeExtras = AppThemeExtras.of(context);
+    final headerColor = themeExtras.dashboardHeaderTextColor;
+
     return Scaffold(
       body: Container(
         decoration: BoxDecoration(
           gradient: LinearGradient(
             begin: Alignment.topCenter,
             end: Alignment.bottomCenter,
-            colors: [
-              Theme.of(context).colorScheme.primary,
-              Theme.of(context).colorScheme.primary.withOpacity(0.8),
-              Theme.of(context).colorScheme.secondary,
-              Theme.of(context).colorScheme.background,
-            ],
-            stops: [0.0, 0.2, 0.6, 1.0],
+            colors: themeExtras.dashboardBackgroundGradient,
+            stops: themeExtras.dashboardGradientStops,
           ),
         ),
         child: SafeArea(
@@ -110,17 +109,17 @@ class _TeacherDashboardPageState extends State<TeacherDashboardPage> {
                           children: [
                             Text(
                               'Bem-vindo, $_userName!',
-                              style: const TextStyle(
-                                color: Colors.white,
+                              style: TextStyle(
+                                color: headerColor,
                                 fontSize: 28,
                                 fontWeight: FontWeight.bold,
                               ),
                             ),
                             const SizedBox(height: 4),
-                            const Text(
+                            Text(
                               'Painel de Gestão de Conteúdo',
                               style: TextStyle(
-                                color: Colors.white,
+                                color: headerColor,
                                 fontSize: 16,
                                 fontWeight: FontWeight.w300,
                               ),
@@ -129,7 +128,7 @@ class _TeacherDashboardPageState extends State<TeacherDashboardPage> {
                         ),
                       ),
                       IconButton(
-                        icon: const Icon(Icons.logout, color: Colors.white),
+                        icon: Icon(Icons.logout, color: headerColor),
                         onPressed: () async {
                           await AuthService.signOut();
                           if (mounted) {